G'day, thanks for your interest in how we calculate an experience's ranking score. It's at the core of Rankers so I'm pleased you're curious.
The ranking score percentage is used to compare and sort experiences in ranking tables. It is not necessarily a direct measurement of the quality of a particular experience as rated by its customers. I've found it a useful tool to allow me to find the best experiences with confidence. But I've also found it important to read the customer reviews before making any final judgements!
We calculate an experience's ranking score using a multi-factor data model instead of a raw data average (mean). This model takes into account several important questions. For instance - is there a trusted body of reviews? What is the age of a review and is the review from a credible source?
Below you'll find details around some of the important factors that went into calculating the ranking score for Skyline Luge Rotorua.
If you have any questions or comments about our ranking score calculation please get in touch at info@rankers.co.nz. We don't believe this is perfect or complete so we're always interested in ways we might make improvements.
Skyline Luge Rotorua
Valid Reviews
145 Valid Reviews
The Skyline Luge Rotorua experience has a total of 146 reviews. There are 145 valid reviews that are included when calculating the ranking score and 1 invalid review that are excluded from the calculation. Reviews can be excluded only when a reviewer is not verified or after an investigation by our team determines the reviewer is not genuine.
Below is the distribution of ratings for the 145 valid reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 40 |
|
28% |
| 9/10 | 47 |
|
32% |
| 8/10 | 36 |
|
25% |
| 7/10 | 17 |
|
12% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.69% Average
The raw data average (mean) for all the Skyline Luge Rotorua valid reviews is 86.69% and is based on 145 valid reviews. This value is not used to calculate the ranking score and it only provided here as a comparison to the weighted average.
Face-to-Face Reviews
121 Face-to-Face Reviews
The Rankers team meets with travellers while they’re in New Zealand and conducts face-to-face surveys. These reviews, in our opinion, are the most trusted in the industry and represent a critical control sample. To our knowledge, we are the only travel review website in the world that has gone to this extent.
More about face-to-face reviews
Within the 145 valid reviews, the experience has 121 face-to-face reviews collected during interviews by our team.
Below is the distribution of ratings for the 121 face-to-face reviews:
| Rating | Count | Percentage | |
|---|---|---|---|
| 10/10 | 31 |
|
26% |
| 9/10 | 38 |
|
31% |
| 8/10 | 34 |
|
28% |
| 7/10 | 13 |
|
11% |
| 6/10 | 3 |
|
2% |
| 5/10 | 1 |
|
1% |
| 4/10 | 1 |
|
1% |
| 3/10 | 0 |
|
0% |
| 2/10 | 0 |
|
0% |
| 1/10 | 0 |
|
0% |
86.12% Average
The raw data average (mean) for all the Skyline Luge Rotorua face-to-face reviews is 86.12% and is based on 121 face-to-face reviews. This value is not used to calculate the ranking score and it only provided here for comparison purposes.
Weighted Average
87.12%
Rankers calculates a weighted mean as a base average on which we can improve. Individual review's ratings are given a weight based on several factors. The weight of a review determines the overall impact it'll have on the final weighted average.
Recent reviews have more weight as they are more relevant and reflect the experience as it currently operates. Over time reviews become less relevant and loose their impact on the ranking score.
Low rating reviews carry slightly less weight. This dampens the effect of very low ratings for every experience across the board. This is especially important when the experience has few reviews overall and a single negative rating can grossly mischaracterise an experience. Consistent poor reviews will still result in the experience receiving a comparitively low ranking score.
Credible sources provide reviews that can be trusted. If we have verified a reviewer is genuine via a face-to-face meeting then the review carries additional weight.
| Reviewer | Rating | Age | Relative Weight |
|---|---|---|---|
| Christian Paaske | 7/10 | 3378 days | 96% |
| Natasha Startup | 9/10 | 3410 days | 100% |
| Andy | 9/10 | 3415 days | 99% |
| Toby | 10/10 | 3421 days | 100% |
| Micha Kuster | 10/10 | 3479 days | 91% |
| Tim | 8/10 | 3495 days | 85% |
| Jendrik | 8/10 | 3495 days | 85% |
| Alice Frater | 7/10 | 3502 days | 77% |
| Jade Williams | 10/10 | 3515 days | 85% |
| Cora | 9/10 | 3756 days | 45% |
| Lauren Dinnage | 10/10 | 3764 days | 45% |
| Mike Munzenmaier | 9/10 | 3771 days | 43% |
| Matt Irwin | 8/10 | 3774 days | 42% |
| Annalies Beard | 8/10 | 3774 days | 42% |
| Laura Schafer | 9/10 | 3782 days | 41% |
| D Davey | 10/10 | 3791 days | 41% |
| Kirsten Gehrenbeck | 6/10 | 3793 days | 27% |
| Lucile Souday | 10/10 | 3802 days | 39% |
| Lisa Kalkert | 10/10 | 3803 days | 39% |
| David | 10/10 | 3803 days | 39% |
| Philip Piel | 9/10 | 3803 days | 38% |
| Miro | 6/10 | 3803 days | 26% |
| Chiara | 9/10 | 3803 days | 38% |
| Sabine Bergen | 9/10 | 3806 days | 37% |
| Annika Locker | 10/10 | 3809 days | 38% |
| Jess | 8/10 | 3840 days | 31% |
| Lilli Erni | 9/10 | 4473 days | 27% |
| Franz Birkefeld | 9/10 | 4474 days | 27% |
| Laina Black | 7/10 | 4494 days | 23% |
| Ricky White | 9/10 | 4494 days | 27% |
| Jennifer Garner | 9/10 | 4508 days | 27% |
| Philip Donachie | 10/10 | 4511 days | 28% |
| Klaus Petersen | 7/10 | 4513 days | 23% |
| Matthew Trezise | 10/10 | 4514 days | 28% |
| Lorraine Doyle | 10/10 | 4846 days | 28% |
| Lisa Blake | 9/10 | 4966 days | 27% |
| Jenben | 10/10 | 4980 days | 28% |
| David | 7/10 | 4980 days | 23% |
| Nikita Sue | 8/10 | 5247 days | 27% |
| Darren Ronchetti | 10/10 | 5250 days | 28% |
| Asha | 9/10 | 5285 days | 27% |
| Helen & Laurence | 9/10 | 5323 days | 27% |
| kirribilliangel | 10/10 | 5407 days | 28% |
| Dave van Bergen | 9/10 | 5555 days | 27% |
| Guult Ryan | 10/10 | 5577 days | 28% |
| Claire Colquhoun | 8/10 | 5578 days | 27% |
| Andy Johnson | 10/10 | 5582 days | 28% |
| Leanne Shepherd | 8/10 | 5583 days | 27% |
| Chris White | 10/10 | 5598 days | 28% |
| Jane & Regis | 7/10 | 5607 days | 23% |
| Invictus | 8/10 | 5772 days | 27% |
| craigy | 7/10 | 5803 days | 23% |
| Rob | 8/10 | 5873 days | 27% |
| David | 7/10 | 5889 days | 23% |
| Alzbeta Czech | 10/10 | 5970 days | 28% |
| Becky | 8/10 | 5977 days | 27% |
| Amer | 9/10 | 5981 days | 27% |
| Greg Gerritz | 8/10 | 5983 days | 27% |
| Chance McGuire | 10/10 | 5984 days | 28% |
| Hailey & Fin | 8/10 | 5996 days | 27% |
| pedawrds | 10/10 | 6035 days | 28% |
| thomash | 10/10 | 6040 days | 28% |
| asiacritics | 7/10 | 6046 days | 23% |
| Bue Verrept | 8/10 | 6053 days | 27% |
| canadianislandgirl | 7/10 | 6076 days | 23% |
| Ash Sturm | 9/10 | 6076 days | 27% |
| wileyman | 9/10 | 6107 days | 27% |
| clairet | 9/10 | 6155 days | 27% |
| ToryL | 9/10 | 6168 days | 27% |
| muriellef | 7/10 | 6172 days | 23% |
| katesh | 10/10 | 6245 days | 28% |
| caroldarren | 10/10 | 6290 days | 28% |
| Jake1 | 9/10 | 6292 days | 27% |
| HanT | 8/10 | 6299 days | 27% |
| Yvanna | 8/10 | 6309 days | 27% |
| EmmaL | 8/10 | 6323 days | 27% |
| AnthonyB1 | 8/10 | 6324 days | 27% |
| kiwibrit86 | 9/10 | 6333 days | 27% |
| Matt | 10/10 | 6339 days | 28% |
| SuenSwitzerland | 9/10 | 6349 days | 27% |
| Carolyn | 9/10 | 6352 days | 27% |
| Marcus | 8/10 | 6352 days | 27% |
| Kirsty | 10/10 | 6353 days | 28% |
| Fam | 9/10 | 6358 days | 27% |
| Hayley | 8/10 | 6364 days | 27% |
| Debbie Mossman | 9/10 | 6364 days | 27% |
| Alan | 8/10 | 6368 days | 27% |
| Claire | 10/10 | 6375 days | 28% |
| Spyfox | 10/10 | 6396 days | 28% |
| Sonja | 9/10 | 6403 days | 27% |
| Tim | 8/10 | 6410 days | 27% |
| Lorri S | 8/10 | 6414 days | 27% |
| lming60 | 10/10 | 6415 days | 28% |
| melissa | 10/10 | 6415 days | 28% |
| Vincent | 9/10 | 6420 days | 27% |
| Hanna | 5/10 | 6435 days | 9% |
| Henry | 8/10 | 6457 days | 27% |
| Laura | 9/10 | 6473 days | 27% |
| Dave | 9/10 | 6480 days | 27% |
| Anna | 8/10 | 6487 days | 27% |
| S D | 9/10 | 6503 days | 27% |
| Alex Paice | 9/10 | 6514 days | 27% |
| Nikki Gray | 9/10 | 6540 days | 27% |
| Kellie Teichmann | 10/10 | 6590 days | 28% |
| L1z4rd | 9/10 | 6609 days | 27% |
| Allie61 | 10/10 | 6655 days | 28% |
| Adam Richards | 9/10 | 6670 days | 27% |
| Nick | 9/10 | 6676 days | 27% |
| Andria Davis | 9/10 | 6683 days | 27% |
| Georgina Mulligan | 9/10 | 6683 days | 27% |
| catzmagic | 9/10 | 6683 days | 27% |
| Emily Houston | 7/10 | 6687 days | 23% |
| Nancy Dol | 8/10 | 6687 days | 27% |
| John Woodrow | 9/10 | 6691 days | 27% |
| Zara | 10/10 | 6699 days | 28% |
| Ed | 6/10 | 6699 days | 17% |
| Elle | 10/10 | 6699 days | 28% |
| Issy | 7/10 | 6699 days | 23% |
| Katharina | 10/10 | 6702 days | 28% |
| Juliet | 9/10 | 6703 days | 27% |
| paulonline | 10/10 | 6705 days | 28% |
| Marc Hertogs | 7/10 | 6706 days | 23% |
| Ash McNeil | 10/10 | 6706 days | 28% |
| Warren | 8/10 | 6730 days | 27% |
| Klaus | 9/10 | 6738 days | 27% |
| Ann Westmacott | 9/10 | 6764 days | 27% |
| Neil Cooke | 8/10 | 6772 days | 27% |
| Archie Murdoch | 8/10 | 6779 days | 27% |
| Orla | 8/10 | 6780 days | 27% |
| Andy Chapman | 8/10 | 6892 days | 27% |
| JanKovar | 7/10 | 7008 days | 23% |
| Magnus | 8/10 | 7020 days | 27% |
| Lorraine | 8/10 | 7026 days | 27% |
| Dan | 9/10 | 7031 days | 27% |
| Sarah | 8/10 | 7031 days | 27% |
| Richhouse | 8/10 | 7036 days | 27% |
| Emma Gareth | 9/10 | 7042 days | 27% |
| Karen Nellist | 10/10 | 7045 days | 28% |
| beesom | 9/10 | 7056 days | 27% |
| Janne | 7/10 | 7060 days | 23% |
| Frauke | 4/10 | 7062 days | 0% |
| Dave | 10/10 | 7067 days | 28% |
| RosalindBoyes | 7/10 | 7067 days | 23% |
| Hanna | 8/10 | 7068 days | 27% |
| LisaAllen | 10/10 | 7081 days | 28% |
Adjustments
Several adjustments to the weighted average are added to improve relevancy and credibility. These adjustments apply equally to all experiences that meet the criteria.
Sample Size Adjustment
No Adjustment
A reasonable number of reviews are necessary in order for the average to be credible and for an experience to take a prime position within the ranking tables. As such, experiences with only a few reviews have a moderated score. This does not mean that the experience or the reviews can't be trusted. The Skyline Luge Rotorua experience has plenty of reviews and does not meet the criteria for any adjustment.
Recent Reviews Adjustment
-2.14% Adjustment
There may be an adjustment if this experience hasn't received any reviews within the last 119 days. However the Skyline Luge Rotorua experience does not meet the criteria for any adjustment.
In addition, an experience's ranking score may be adjusted for each day there is no new ranking. After 1 day the adjustment comes into effect. The maximum number of days that can be adjusted for is 200 days. Due to the seasonal nature of many businesses, this adjustment is applied dynamically throughout the year.
The Skyline Luge Rotorua experience has been adjusted for 200 days. Adjustments are according to the following table.
| Days | Adjustment |
|---|---|
| … | … |
| 197 | -2.11% |
| 198 | -2.12% |
| 199 | -2.13% |
| 200 | -2.14% |
| 201 | -2.15% |
| 202 | -2.16% |
| 203 | -2.17% |
| … | … |
Balancing Adjustment
1.83% Adjustment
Every experience's review score is adjusted to balance out the disproportional number of negative reviews that are contributed.
You won't be surprised to learn that disgruntled customers are more likely to leave a review than happy ones. They are motivated to share their experience and warn others. We consider this a good thing and it's why reading the reviews is important. However we've learned it can misrepresent the experience in a more overall sense.
We apply a balancing adjustment to counteract this effect and ensure the ranking score is a more fair representation of the experience. This adjustment is applied equally to all experiences.
Final Ranking Score
87%
The final ranking score once any adjustments, ratings, and rounding has been applied. This value is recalculated each day and a short rolling average is applied. Therefore it may not be precisely accurate based on the other values presented.